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Matteo Scandolod44ca992018-05-17 15:02:10 -07001# Copyright 2017-present Open Networking Foundation
2#
3# Licensed under the Apache License, Version 2.0 (the "License");
4# you may not use this file except in compliance with the License.
5# You may obtain a copy of the License at
6#
7# http://www.apache.org/licenses/LICENSE-2.0
8#
9# Unless required by applicable law or agreed to in writing, software
10# distributed under the License is distributed on an "AS IS" BASIS,
11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12# See the License for the specific language governing permissions and
13# limitations under the License.
14
15from synchronizers.new_base.pullstep import PullStep
Matteo Scandolod8ed60e2018-06-18 17:00:57 -070016from synchronizers.new_base.modelaccessor import model_accessor, ONUDevice, VOLTService, OLTDevice, PONPort, PONONUPort, UNIPort
Matteo Scandolod44ca992018-05-17 15:02:10 -070017
18from xosconfig import Config
19from multistructlog import create_logger
20
21import requests
22from requests import ConnectionError
23from requests.models import InvalidURL
24
25import os, sys
26sys.path.append(os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
27
28from helpers import Helpers
29
30log = create_logger(Config().get('logging'))
31
32class ONUDevicePullStep(PullStep):
33 def __init__(self):
34 super(ONUDevicePullStep, self).__init__(observed_model=ONUDevice)
35
36 def pull_records(self):
37 log.info("pulling ONU devices from VOLTHA")
38
39 try:
40 self.volt_service = VOLTService.objects.all()[0]
41 except IndexError:
42 log.warn('VOLTService not found')
43 return
44
45 voltha_url = Helpers.get_voltha_info(self.volt_service)['url']
46 voltha_port = Helpers.get_voltha_info(self.volt_service)['port']
47
48 try:
49 r = requests.get("%s:%s/api/v1/devices" % (voltha_url, voltha_port))
50
51 if r.status_code != 200:
52 log.info("It was not possible to fetch devices from VOLTHA")
53
54 # keeping only ONUs
55 devices = [d for d in r.json()["items"] if "onu" in d["type"]]
56
57 log.debug("received devices", onus=devices)
58
59 # TODO
Matteo Scandolod8ed60e2018-06-18 17:00:57 -070060 # [ ] delete ONUS as ONUDevice.objects.all() - updated ONUs
Matteo Scandolod44ca992018-05-17 15:02:10 -070061
62 if r.status_code != 200:
63 log.info("It was not possible to fetch devices from VOLTHA")
64
65 onus_in_voltha = self.create_or_update_onus(devices)
66
67 except ConnectionError, e:
68 log.warn("It was not possible to connect to VOLTHA", reason=e)
69 return
70 except InvalidURL, e:
71 log.warn("VOLTHA url is invalid, is it configured in the VOLTService?", reason=e)
72 return
73
74 def create_or_update_onus(self, onus):
75
76 updated_onus = []
77
78 for onu in onus:
79 try:
80
81 model = ONUDevice.objects.filter(serial_number=onu["serial_number"])[0]
82 log.debug("ONUDevice already exists, updating it", serial_number=onu["serial_number"])
83
84 if model.enacted < model.updated:
Matteo Scandolo6be6ee92018-05-24 15:07:51 -070085 log.info("Skipping pull on ONUDevice %s as enacted < updated" % model.serial_number, serial_number=model.serial_number, id=model.id, enacted=model.enacted, updated=model.updated)
Matteo Scandolod8ed60e2018-06-18 17:00:57 -070086 # if we are not updating the device we still need to pull ports
87 self.fetch_onu_ports(model)
Matteo Scandolod44ca992018-05-17 15:02:10 -070088 return
89
90 except IndexError:
91 model = ONUDevice()
92 model.serial_number = onu["serial_number"]
93
94 log.debug("ONUDevice is new, creating it", serial_number=onu["serial_number"])
95
96 # Adding feedback state to the device
97 model.vendor = onu["vendor"]
98 model.device_type = onu["type"]
99 model.device_id = onu["id"]
100
101 model.admin_state = onu["admin_state"]
102 model.oper_status = onu["oper_status"]
103 model.connect_status = onu["connect_status"]
Matteo Scandolo6be6ee92018-05-24 15:07:51 -0700104 model.xos_managed = False
Matteo Scandolod44ca992018-05-17 15:02:10 -0700105
Matteo Scandolo6be6ee92018-05-24 15:07:51 -0700106 olt = OLTDevice.objects.get(device_id=onu["parent_id"])
107 pon_port = PONPort.objects.get(port_no=onu["parent_port_no"], olt_device_id=olt.id)
108
109 model.pon_port = pon_port
110 model.pon_port_id = pon_port.id
Matteo Scandolod44ca992018-05-17 15:02:10 -0700111
112 model.save()
113
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700114 self.fetch_onu_ports(model)
115
Matteo Scandolod44ca992018-05-17 15:02:10 -0700116 updated_onus.append(model)
117
118 return updated_onus
119
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700120 def fetch_onu_ports(self, onu):
121 voltha_url = Helpers.get_voltha_info(self.volt_service)['url']
122 voltha_port = Helpers.get_voltha_info(self.volt_service)['port']
Matteo Scandolod44ca992018-05-17 15:02:10 -0700123
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700124 try:
125 r = requests.get("%s:%s/api/v1/devices/%s/ports" % (voltha_url, voltha_port, onu.device_id))
Matteo Scandolod44ca992018-05-17 15:02:10 -0700126
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700127 if r.status_code != 200:
128 log.info("It was not possible to fetch ports from VOLTHA for ONUDevice %s" % onu.device_id)
Matteo Scandolod44ca992018-05-17 15:02:10 -0700129
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700130 ports = r.json()['items']
131
132 log.debug("received ports", ports=ports, onu=onu.device_id)
133
134 self.create_or_update_ports(ports, onu)
135
136 except ConnectionError, e:
137 log.warn("It was not possible to connect to VOLTHA", reason=e)
138 return
139 except InvalidURL, e:
140 log.warn("VOLTHA url is invalid, is it configured in the VOLTService?", reason=e)
141 return
142 return
143
144 def create_or_update_ports(self, ports, onu):
145 uni_ports = [p for p in ports if "ETHERNET_UNI" in p["type"]]
146 pon_onu_ports = [p for p in ports if "PON_ONU" in p["type"]]
147
148 self.create_or_update_uni_port(uni_ports, onu)
149 self.create_or_update_pon_onu_port(pon_onu_ports, onu)
150
Matteo Scandolo72f43d02018-07-16 10:54:01 -0400151 def get_onu_port_id(self, port, onu):
152 # find the correct port id as represented in the logical_device
153 logical_device_id = onu.pon_port.olt_device.of_id
154
155 voltha_url = Helpers.get_voltha_info(self.volt_service)['url']
156 voltha_port = Helpers.get_voltha_info(self.volt_service)['port']
157
158 try:
159 r = requests.get("%s:%s/api/v1/logical_devices/%s/ports" % (voltha_url, voltha_port, logical_device_id))
160
161 if r.status_code != 200:
162 log.info("It was not possible to fetch ports from VOLTHA for logical_device %s" % logical_device_id)
163
164 logical_ports = r.json()['items']
Matteo Scandoloa4fb0322018-08-20 17:35:29 -0700165 log.debug("logical device ports for ONUDevice %s" % onu.device_id, logical_ports=logical_ports)
Matteo Scandolo72f43d02018-07-16 10:54:01 -0400166
Jonathan Hartd6de1b92018-07-18 18:52:28 -0700167 ports = [p['ofp_port']['port_no'] for p in logical_ports if p['device_id'] == onu.device_id]
Matteo Scandolo72f43d02018-07-16 10:54:01 -0400168 # log.info("Port_id for port %s on ONUDevice %s: %s" % (port['label'], onu.device_id, ports), logical_ports=logical_ports)
169 return int(ports[0])
170
171 except ConnectionError, e:
172 log.warn("It was not possible to connect to VOLTHA", reason=e)
173 return
174 except InvalidURL, e:
175 log.warn("VOLTHA url is invalid, is it configured in the VOLTService?", reason=e)
176 return
177
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700178 def create_or_update_uni_port(self, uni_ports, onu):
179 update_ports = []
180
181 for port in uni_ports:
Matteo Scandolo72f43d02018-07-16 10:54:01 -0400182 port_no = self.get_onu_port_id(port, onu)
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700183 try:
Matteo Scandolo72f43d02018-07-16 10:54:01 -0400184 model = UNIPort.objects.filter(port_no=port_no, onu_device_id=onu.id)[0]
185 log.debug("UNIPort already exists, updating it", port_no=port_no, onu_device_id=onu.id)
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700186 except IndexError:
187 model = UNIPort()
Matteo Scandolo72f43d02018-07-16 10:54:01 -0400188 model.port_no = port_no
Matteo Scandolod8ed60e2018-06-18 17:00:57 -0700189 model.onu_device_id = onu.id
190 model.name = port["label"]
191 log.debug("UNIPort is new, creating it", port_no=port["port_no"], onu_device_id=onu.id)
192
193 model.admin_state = port["admin_state"]
194 model.oper_status = port["oper_status"]
195 model.save()
196 update_ports.append(model)
197 return update_ports
198
199 def create_or_update_pon_onu_port(self, pon_onu_ports, onu):
200 update_ports = []
201
202 for port in pon_onu_ports:
203 try:
204 model = PONONUPort.objects.filter(port_no=port["port_no"], onu_device_id=onu.id)[0]
205 model.xos_managed = False
206 log.debug("PONONUPort already exists, updating it", port_no=port["port_no"], onu_device_id=onu.id)
207 except IndexError:
208 model = PONONUPort()
209 model.port_no = port["port_no"]
210 model.onu_device_id = onu.id
211 model.name = port["label"]
212 model.xos_managed = False
213 log.debug("PONONUPort is new, creating it", port_no=port["port_no"], onu_device_id=onu.id)
214
215 model.admin_state = port["admin_state"]
216 model.oper_status = port["oper_status"]
217 model.save()
218 update_ports.append(model)
219 return update_ports